Practice Questions

TLS Online TPP Program

#Question id: 2110

According to the fluid mosaic model of cell membranes, phospholipids:

#Section 2: General Biology

can move laterally along the plane of the membrane
frequently flip-flop from one side of the membrane to the other
occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane
have hydrophilic tails in the interior of the membrane

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TLS Online TPP Program

#Question id: 15715

#Section 6: Plant, Animal and Microbial Biotechnology

In embryogenesis a type of structure with no vascular connection with the maternal callus tissue or explants is formed

TLS Online TPP Program

#Question id: 15726

#Section 6: Plant, Animal and Microbial Biotechnology

Tissues and cells cultured in a liquid medium produce culture of single cells and cells clumps of few to many cells

TLS Online TPP Program

#Question id: 15727

#Section 6: Plant, Animal and Microbial Biotechnology

The stationary phase is forced on the culture by , identify correct option

1. Depletion of the nutrients

2. Due to accumulation of cellular wastes

3. Accumulation of the nutrients

4. Removal of cellular wastes

TLS Online TPP Program

#Question id: 15728

#Section 6: Plant, Animal and Microbial Biotechnology

Single cells can be cultured using the following techniques:

(1) Filter paper raft-nurse tissue technique

(2) Microchamber technique

(3) Microdrop method

(4) Bergman's plating technique

(5) Thin layer liquid medium

Select the option with correct choices.

TLS Online TPP Program

#Question id: 15730

#Section 6: Plant, Animal and Microbial Biotechnology

Haploid plants may be obtained from culturing

1) Anther culture

2) Pollen culture

3) Stem culture

4) Ovary culture

TLS Online TPP Program

#Question id: 15731

#Section 6: Plant, Animal and Microbial Biotechnology

Conditions for rooting involves

2. reduced sugar level

3. addition of NAA

Which of the above statements combinations are correct